Vulnerability · Published Jan 19, 2026 · Assigned by ABB
CVE-2025-11044Vulnerability on Automation Runtime my cause DoS Conditions
Medium 6.8
In plain English
A medium-severity resource allocation without limits in Automation Runtime from B&R Industrial Automation GmbH. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 31% of all known vulnerabilities).
Official description
An Allocation of Resources Without Limits or Throttling vulnerability in the ANSL-Server component of B&R Automation Runtime versions prior to 6.5 and prior to R4.93 could be exploited by an unauthenti-cated attacker on the network to win a race condition, resulting in permanent denial-of-service (DoS) conditions on affected devices.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| B&R Industrial Automation GmbH | Automation Runtime | 4 – before R4.936 – before 6.5 |
Weakness: CWE-770 · Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:H